This project will focus on how to use the LCD display.
It requires SMC module. Enable the peripheral clock
pmc_enable_periph_clk(ID_SMC);
In order to use the LCD, we have configure the SMC interface for LCD.
smc_set_setup_timing(SMC, ILI93XX_LCD_CS, SMC_SETUP_NWE_SETUP(2)
| SMC_SETUP_NCS_WR_SETUP(2)
| SMC_SETUP_NRD_SETUP(2)
| SMC_SETUP_NCS_RD_SETUP(2));
smc_set_pulse_timing(SMC, ILI93XX_LCD_CS, SMC_PULSE_NWE_PULSE(4)
| SMC_PULSE_NCS_WR_PULSE(4)
| SMC_PULSE_NRD_PULSE(10)
| SMC_PULSE_NCS_RD_PULSE(10));
smc_set_cycle_timing(SMC, ILI93XX_LCD_CS, SMC_CYCLE_NWE_CYCLE(10)
| SMC_CYCLE_NRD_CYCLE(22));
#if ((!defined(SAM4S)) && (!defined(SAM4E)))
smc_set_mode(SMC, ILI93XX_LCD_CS, SMC_MODE_READ_MODE
| SMC_MODE_WRITE_MODE
| SMC_MODE_DBW_8_BIT);
#else
smc_set_mode(SMC, ILI93XX_LCD_CS, SMC_MODE_READ_MODE
| SMC_MODE_WRITE_MODE);
#endif
Before initializing, switch off the backlight
aat31xx_disable_backlight();
To initialize the LCD driver
g_ili93xx_display_opt.ul_width = ILI93XX_LCD_WIDTH;
g_ili93xx_display_opt.ul_height = ILI93XX_LCD_HEIGHT;
g_ili93xx_display_opt.foreground_color = COLOR_BLACK;
g_ili93xx_display_opt.background_color = COLOR_WHITE;
Set the backlight brightness
aat31xx_set_backlight(AAT31XX_AVG_BACKLIGHT_LEVEL);
Set display on
ili93xx_display_on();
Turn display off
ili93xx_display_off();
Draw a pixel
ili93xx_set_foreground_color(COLOR_RED);
ili93xx_draw_pixel(60, 60);
Draw a line and circle
ili93xx_set_foreground_color(COLOR_BLUE);
ili93xx_draw_circle(180, 160, 40);
ili93xx_set_foreground_color(COLOR_VIOLET);
ili93xx_draw_line(0, 0, 240, 320);
Draw a string of text
ili93xx_set_foreground_color(COLOR_BLACK);
ili93xx_draw_string(10, 20, (uint8_t *)"ili93xx_lcd example");
Fill a rectangle with one certain color
ili93xx_set_foreground_color(COLOR_BLUE);
ili93xx_draw_filled_rectangle(0, 0, ILI93XX_LCD_WIDTH, ILI93XX_LCD_HEIGHT);
Get device type
ili93xx_device_type();